Home / 101,767.04-140,445.70-56,449.34

Finding the Fourth Proportional to 101,767.04, 140,445.70 and 56,449.34

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Solution

The fourth proportional to 101,767.04, 140,445.70 and 56,449.34 is: 77,904.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,767.04 : 140,445.70 = 56,449.34 : x
  2. Step 2: Convert to fraction form
    101,767.04/140,445.70 = 56,449.34/x
  3. Step 3: Cross multiply
    101,767.04x = 140,445.70 × 56,449.34
  4. Step 4: Simplify right side
    101,767.04x = 7,928,067,070.84
  5. Step 5: Solve for x
    x = 7,928,067,070.84/101,767.04
  6. Step 6: Final answer
    x = 77,904.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.